Company profile
Berkshire Hathaway Inc Insider Trading
BRK-BEvery SEC Form 4 insider trading filing for Berkshire Hathaway Inc (BRK-B) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Fire, Marine & Casualty Insurance
- CIK
- 0001067983
- Filings
- 59
- Insiders
- 9
- Last filing
- 2026-09-03
Activity summary
No discretionary insider buying or selling in the last 30 days. The 1 transaction filed was grants, option exercises or other non-open-market activity.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Berkshire Hathaway Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $139.1M.
90 day insight
Over the last 90 days, Berkshire Hathaway Inc insiders bought $1.8M across 5 transactions with no open-market sales.
- Most active insider: Warren E Buffett with 6 transactions totaling $0.
- Largest single purchase: $765K by Charles C Chang on Aug 12, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | Ajit Jain | BRK-B | Gift | 10 | — | — |
| Aug 12, 2026 | Charles C Chang | BRK-B | Purchase | 1 | $765189.94 | $765K |
| Aug 12, 2026 | Charles C Chang | BRK-B | Purchase | 1 | $765184.18 | $765K |
| Aug 12, 2026 | Michael J. O'Sullivan | BRK-B | Purchase | 45 | $510.64 | $23K |
| Aug 12, 2026 | Michael J. O'Sullivan | BRK-B | Purchase | 400 | $512.52 | $205K |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=BRK-B" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.